<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity {
    /**
     * Authenticates a user.
     * The example implementation makes sure if the username and password
     * are both 'demo'.
     * In practical applications, this should be changed to authenticate
     * against some persistent user identity storage (e.g. database).
     * @return boolean whether authentication succeeds.
     */
    public function authenticate() {
        $users = Users::model()->find('username=:username and status=:status', array(
                ':username' => strtolower($this->username),
                ':status'   => 1
            )
        );

        if (!isset($users->username)) {
            $this->errorCode = self::ERROR_USERNAME_INVALID;
        } elseif ($users->password !== md5($this->password)) {
            $this->errorCode = self::ERROR_PASSWORD_INVALID;
        } else {
            $this->errorCode = self::ERROR_NONE;

            $this->setState('aaa', $this->username);
            $this->setState('email', $users->email);
            $this->setState('id', $users->id);
        }

        return !$this->errorCode;
    }
    public function getId()
    {
        return Yii::app()->user->id;
    }
}